CN216252243U - PV charging circuit capable of outputting DC voltage source in reversible way - Google Patents
PV charging circuit capable of outputting DC voltage source in reversible way Download PDFInfo
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- CN216252243U CN216252243U CN202220349762.2U CN202220349762U CN216252243U CN 216252243 U CN216252243 U CN 216252243U CN 202220349762 U CN202220349762 U CN 202220349762U CN 216252243 U CN216252243 U CN 216252243U
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- effect transistor
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- charging circuit
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- 230000002441 reversible effect Effects 0.000 title claims abstract description 12
- 230000005669 field effect Effects 0.000 claims abstract description 102
- 238000004146 energy storage Methods 0.000 claims abstract description 29
- 239000003990 capacitor Substances 0.000 claims abstract description 16
- 230000005611 electricity Effects 0.000 claims abstract description 5
- 238000010586 diagram Methods 0.000 description 4
- 230000007547 defect Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000010248 power generation Methods 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
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Classifications
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
- H02J7/00—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
- H02J7/00—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries
- H02J7/34—Parallel operation in networks using both storage and other dc sources, e.g. providing buffering
- H02J7/35—Parallel operation in networks using both storage and other dc sources, e.g. providing buffering with light sensitive cells
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02S—GENERATION OF ELECTRIC POWER BY CONVERSION OF INFRARED RADIATION, VISIBLE LIGHT OR ULTRAVIOLET LIGHT, e.g. USING PHOTOVOLTAIC [PV] MODULES
- H02S40/00—Components or accessories in combination with PV modules, not provided for in groups H02S10/00 - H02S30/00
- H02S40/30—Electrical components
- H02S40/38—Energy storage means, e.g. batteries, structurally associated with PV modules
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E10/00—Energy generation through renewable energy sources
- Y02E10/50—Photovoltaic [PV] energy
- Y02E10/56—Power conversion systems, e.g. maximum power point trackers
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E70/00—Other energy conversion or management systems reducing GHG emissions
- Y02E70/30—Systems combining energy storage with energy generation of non-fossil origin
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- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Charge And Discharge Circuits For Batteries Or The Like (AREA)
Abstract
The utility model discloses a PV charging circuit of a reversible output direct current voltage source, which comprises: a photovoltaic module and an electrical storage module connected; the photovoltaic module includes: the photovoltaic solar panel PV, the capacitor C1, the field effect transistor Q1 and the field effect transistor Q2; the electricity storage module includes: the capacitor C2, the field effect transistor Q3, the field effect transistor Q4 and the energy storage device; the grid electrode of the field effect transistor Q1 and the grid electrode of the field effect transistor Q2 are both connected with the controller module; the drain electrode of the field effect transistor Q1 and the source electrode of the field effect transistor Q2 are respectively used as the anode and the cathode of a direct current voltage source output by the PV charging circuit. The PV charging circuit can not only perform PV charging, but also output a direct-current voltage source to directly supply power to a load under the condition of not increasing the hardware cost of a system, and can be applied to more loads, thereby being convenient and high in safety.
Description
Technical Field
The utility model relates to the technical field of photovoltaic charging, in particular to a PV charging circuit capable of outputting a direct-current voltage source in a reversible manner.
Background
With the development of new energy, the portable energy storage is used as a universal green power supply, and almost meets the requirements of daily families of people. All outdoor power requirements, places with unstable power grids, and devices that are inconvenient to bring home for charging can be used as portable energy storage power sources. For example, because the cost requirement of the battery built in the bicycle is high, the BMS is not built in the battery, and the battery is very unsafe to be charged home. Moreover, the adapter is needed in the existing electric bicycle charging, and the charging is troublesome. If the portable energy storage power supply has a direct current output function, the adapter of the electric bicycle can be omitted, the high-power charging of the battery pack of the electric bicycle can be directly realized, the charging time is greatly shortened, and the convenience and the safety are realized. However, the PV charging circuit of the conventional portable energy storage power supply can only charge in one direction, and cannot directly output a direct current source, which directly limits the application of portable energy storage.
SUMMERY OF THE UTILITY MODEL
The utility model aims to overcome the defects of the prior art and provides a PV charging circuit with a simple circuit and a reversible output direct current voltage source, which does not increase the hardware cost of a system.
The purpose of the utility model is realized by the following technical scheme:
a PV charging circuit that can reversibly output a dc voltage source, comprising: a photovoltaic module and an electrical storage module connected; the photovoltaic module includes: the photovoltaic solar panel PV, the capacitor C1, the field effect transistor Q1 and the field effect transistor Q2; the electricity storage module includes: the capacitor C2, the field effect transistor Q3, the field effect transistor Q4 and the energy storage device; the two ends of the photovoltaic solar panel PV are connected to the two ends of a capacitor C1, the negative electrode of the photovoltaic solar panel PV is further connected to the ground, the positive electrode of the photovoltaic solar panel PV is connected with the drain electrode of a field-effect tube Q1, the source electrode of the field-effect tube Q1 is connected with the drain electrode of a field-effect tube Q2, the source electrode of the field-effect tube Q2 is connected with the negative electrode of the photovoltaic solar panel PV, and the grid electrode of the field-effect tube Q1 and the grid electrode of the field-effect tube Q2 are both connected with the controller module; the drain electrode of the field effect transistor Q3 is connected with the positive electrode of the energy storage device, the source electrode of the field effect transistor Q3 is connected with the drain electrode of the field effect transistor Q4, the source electrode of the field effect transistor Q4 is connected with the negative electrode of the energy storage device, two ends of the energy storage device are also connected with two ends of a capacitor C2, the source electrode of the field effect transistor Q3 is also connected with the source electrode of the field effect transistor Q1, the source electrode of the field effect transistor Q4 is connected with the source electrode of the field effect transistor Q2, and the grid electrode of the field effect transistor Q3 and the grid electrode of the field effect transistor Q4 are both connected with the controller module; the drain electrode of the field effect transistor Q1 and the source electrode of the field effect transistor Q2 are respectively used as the anode and the cathode of a direct current voltage source output by the PV charging circuit.
Preferably, the PV charging circuit of the reversible output dc voltage source further comprises: and the source electrode of the field effect transistor Q1 is connected with the source electrode of the field effect transistor Q3 through an inductor L1 by the inductor L1.
Preferably, the energy storage is a battery.
Preferably, the drain of the field effect transistor Q1, the source of the field effect transistor Q2 and the load are connected.
Preferably, the load is at least one of an electric bicycle and an automobile.
What is needed is a PV charging circuit that can reversibly output a dc voltage source. The controller module connected to the four fets in the PV charging circuit may be implemented using existing products or circuit boards, and is not within the scope of the present application.
Compared with the prior art, the utility model has the following advantages:
the utility model utilizes the PV charging circuit in the energy storage power supply, and can control the portable energy storage power supply to independently output a DC constant voltage source through the arrangement of the controller.
Drawings
The accompanying drawings, which are incorporated in and constitute a part of this application, illustrate embodiments of the utility model and, together with the description, serve to explain the utility model and not to limit the utility model. In the drawings:
fig. 1 is a circuit diagram of a PV charging circuit for a reversible output dc voltage source according to an embodiment of the present invention.
Fig. 2 is a circuit diagram of a controller module for controlling a PV charging circuit according to an embodiment of the present invention.
Fig. 3 is a circuit diagram of a conventional PV charging circuit.
Fig. 4 is a circuit diagram of a controller module for controlling a conventional PV charging circuit.
Detailed Description
The utility model is further illustrated by the following figures and examples.
Referring to fig. 1-2, a PV charging circuit for reversibly outputting a dc voltage source, comprising: a photovoltaic module and an electrical storage module connected; the photovoltaic module includes: the photovoltaic solar panel PV, the capacitor C1, the field effect transistor Q1 and the field effect transistor Q2; the electricity storage module includes: the capacitor C2, the field effect transistor Q3, the field effect transistor Q4 and the energy storage device; the two ends of the photovoltaic solar panel PV are connected to the two ends of a capacitor C1, the negative electrode of the photovoltaic solar panel PV is further connected to the ground, the positive electrode of the photovoltaic solar panel PV is connected with the drain electrode of a field-effect tube Q1, the source electrode of the field-effect tube Q1 is connected with the drain electrode of a field-effect tube Q2, the source electrode of the field-effect tube Q2 is connected with the negative electrode of the photovoltaic solar panel PV, and the grid electrode of the field-effect tube Q1 and the grid electrode of the field-effect tube Q2 are both connected with the controller module; the drain electrode of the field effect transistor Q3 is connected with the positive electrode of the energy storage device, the source electrode of the field effect transistor Q3 is connected with the drain electrode of the field effect transistor Q4, the source electrode of the field effect transistor Q4 is connected with the negative electrode of the energy storage device, two ends of the energy storage device are also connected with two ends of a capacitor C2, the source electrode of the field effect transistor Q3 is also connected with the source electrode of the field effect transistor Q1, the source electrode of the field effect transistor Q4 is connected with the source electrode of the field effect transistor Q2, and the grid electrode of the field effect transistor Q3 and the grid electrode of the field effect transistor Q4 are both connected with the controller module; the drain electrode of the field effect transistor Q1 and the source electrode of the field effect transistor Q2 are respectively used as the anode and the cathode of a direct current voltage source output by the PV charging circuit.
The charging principle of the PV charging circuit of the present embodiment is:
the photovoltaic solar panel PV absorbs sunlight and converts the sunlight into electric energy, and the grid voltage of the field effect transistor Q1, the field effect transistor Q2, the field effect transistor Q3 and the field effect transistor Q4 is controlled through the controller module, so that the electric energy is stored in the energy storage device through the capacitor C1, the field effect transistor Q1, the field effect transistor Q2, the field effect transistor Q3, the field effect transistor Q4 and the capacitor C2.
The principle of the output dc voltage source of the PV charging circuit of the present embodiment is:
the controller module controls the grid voltages of the field-effect tube Q1, the field-effect tube Q2, the field-effect tube Q3 and the field-effect tube Q4, and further controls the on-off conditions of the field-effect tube Q1, the field-effect tube Q2, the field-effect tube Q3 and the field-effect tube Q4, so that the electric energy stored in the energy accumulator flows out, and finally the PV charging circuit outputs a direct-current voltage source. And through the further control of controller module, PV charging circuit can export the DC voltage source of different size.
The PV charging circuit disclosed by the utility model can be charged through the photovoltaic solar panel PV, and can also control the field-effect tube Q1, the field-effect tube Q2, the field-effect tube Q3 and the field-effect tube Q4 through the controller module, so that the electric energy stored in the energy accumulator flows out, and finally the PV charging circuit outputs a direct-current voltage source. Thus, the present disclosure can be applied to more loads without increasing the cost of system hardware.
Wherein, G1, G2, G3 and G4 in fig. 1 and fig. 2 are pins for connecting the controller module of the present application with the gates of four fets in the PV charging circuit of the present application. G1 and G2 in fig. 3 and 4 are pins for connecting the existing controller module with the gates of two fets in the existing charging circuit.
In this embodiment, the PV charging circuit of the reversible output dc voltage source further includes: and the source electrode of the field effect transistor Q1 is connected with the source electrode of the field effect transistor Q3 through an inductor L1 by the inductor L1.
In this embodiment, the energy storage device is a battery bat. The storage battery is low in cost and large in storage power.
In the present embodiment, the drain of the fet Q1, the source of the fet Q2, and the load are connected. The load is at least one of an electric bicycle and an automobile. The energy storage power supply outputs the direct current source, directly charges an electric bicycle, a motor home or an automobile, needs an additional adapter, and is simple and efficient to charge.
The photovoltaic power generation system utilizes the PV charging circuit in the energy storage power supply, can control the portable energy storage power supply to independently output a DC constant voltage source through the arrangement of the controller, and can be applied to more loads under the condition of not increasing the hardware cost of the system. The controller can control the output voltages of 12V, 24V, 36V, 48V, 60V and 72V of the portable energy storage power supply, and can randomly and temporarily supply power for 12V, 24V, 36, 48V, 60V and 72V electric bicycles, motor homes, electric tools and automobile standby batteries in emergency, so as to replace batteries without electricity; because the capacity of portable energy storage power supply is bigger, the continuation of the journey mileage is longer, and battery security is higher, improvement consumer's that can be better experience.
Where CTL in fig. 2 represents a controller module that controls the PV charging circuit of the present application. CTL0 in fig. 4 represents a controller module that controls the existing charging circuit.
The above-mentioned embodiments are preferred embodiments of the present invention, and the present invention is not limited thereto, and any other modifications or equivalent substitutions that do not depart from the technical spirit of the present invention are included in the scope of the present invention.
Claims (5)
1. A PV charging circuit for reversibly outputting a dc voltage source, comprising: a photovoltaic module and an electrical storage module connected;
the photovoltaic module includes: the photovoltaic solar panel PV, the capacitor C1, the field effect transistor Q1 and the field effect transistor Q2; the electricity storage module includes: the capacitor C2, the field effect transistor Q3, the field effect transistor Q4 and the energy storage device;
the two ends of the photovoltaic solar panel PV are connected to the two ends of a capacitor C1, the negative electrode of the photovoltaic solar panel PV is further connected to the ground, the positive electrode of the photovoltaic solar panel PV is connected with the drain electrode of a field-effect tube Q1, the source electrode of the field-effect tube Q1 is connected with the drain electrode of a field-effect tube Q2, the source electrode of the field-effect tube Q2 is connected with the negative electrode of the photovoltaic solar panel PV, and the grid electrode of the field-effect tube Q1 and the grid electrode of the field-effect tube Q2 are both connected with the controller module;
the drain electrode of the field effect transistor Q3 is connected with the positive electrode of the energy storage device, the source electrode of the field effect transistor Q3 is connected with the drain electrode of the field effect transistor Q4, the source electrode of the field effect transistor Q4 is connected with the negative electrode of the energy storage device, two ends of the energy storage device are also connected with two ends of a capacitor C2, the source electrode of the field effect transistor Q3 is also connected with the source electrode of the field effect transistor Q1, the source electrode of the field effect transistor Q4 is connected with the source electrode of the field effect transistor Q2, and the grid electrode of the field effect transistor Q3 and the grid electrode of the field effect transistor Q4 are both connected with the controller module;
the drain electrode of the field effect transistor Q1 and the source electrode of the field effect transistor Q2 are respectively used as the anode and the cathode of a direct current voltage source output by the PV charging circuit.
2. The PV charging circuit of a reversible output dc voltage source according to claim 1, further comprising: and the source electrode of the field effect transistor Q1 is connected with the source electrode of the field effect transistor Q3 through an inductor L1 by the inductor L1.
3. The PV charging circuit of a reversible output dc voltage source according to claim 1, wherein the energy storage device is a battery.
4. The PV charging circuit of a reversible output dc voltage source as claimed in claim 1, wherein the drain of the fet Q1, the source of the fet Q2 and the load are connected.
5. The PV charging circuit of a reversible output DC voltage source of claim 4 wherein the load is at least one of an electric bicycle, an automobile.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220349762.2U CN216252243U (en) | 2022-02-22 | 2022-02-22 | PV charging circuit capable of outputting DC voltage source in reversible way |
| PCT/CN2023/077567 WO2023160567A1 (en) | 2022-02-22 | 2023-02-22 | Pv charging circuit capable of reversely outputting direct-current voltage source |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220349762.2U CN216252243U (en) | 2022-02-22 | 2022-02-22 | PV charging circuit capable of outputting DC voltage source in reversible way |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216252243U true CN216252243U (en) | 2022-04-08 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202220349762.2U Active CN216252243U (en) | 2022-02-22 | 2022-02-22 | PV charging circuit capable of outputting DC voltage source in reversible way |
Country Status (2)
| Country | Link |
|---|---|
| CN (1) | CN216252243U (en) |
| WO (1) | WO2023160567A1 (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2023160567A1 (en) * | 2022-02-22 | 2023-08-31 | 广州疆海科技有限公司 | Pv charging circuit capable of reversely outputting direct-current voltage source |
Family Cites Families (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP3932196B2 (en) * | 2004-06-28 | 2007-06-20 | オリジン電気株式会社 | Power supply device control method and power supply device |
| CN206820533U (en) * | 2017-01-19 | 2017-12-29 | 深圳市金威源科技股份有限公司 | A kind of buck-boost type photovoltaic charger |
| CN108964081B (en) * | 2018-05-31 | 2022-01-04 | 湖北工业大学 | Circuit structure applied to stabilizing output of micro-grid energy storage system |
| CN109474058A (en) * | 2018-11-16 | 2019-03-15 | 珠海泰通电气技术有限公司 | The inverse control one power supply energy-storage system of photovoltaic off-grid and its power supply energy storage method |
| CN113595210B (en) * | 2021-08-24 | 2024-03-05 | 军事科学院系统工程研究院军需工程技术研究所 | Individual soldier intelligent power management device |
| CN216252243U (en) * | 2022-02-22 | 2022-04-08 | 广州疆海科技有限公司 | PV charging circuit capable of outputting DC voltage source in reversible way |
-
2022
- 2022-02-22 CN CN202220349762.2U patent/CN216252243U/en active Active
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2023
- 2023-02-22 WO PCT/CN2023/077567 patent/WO2023160567A1/en unknown
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2023160567A1 (en) * | 2022-02-22 | 2023-08-31 | 广州疆海科技有限公司 | Pv charging circuit capable of reversely outputting direct-current voltage source |
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| Publication number | Publication date |
|---|---|
| WO2023160567A1 (en) | 2023-08-31 |
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